Mathematics Peep Shows: Topology

The Eamses made five “peep shows” for the IBM Mathematica exhibition: Eratosthenes, something about functions, Symmetry, Topology, and 2n. Featured in the Festival International du Film de Montreal, 1961 and London Film Festival Outstanding Film of the Year, 1963. Topology introduces a bit of the field of topology through the concept of closed curves.
1 minute, 59 seconds.